Cathy choreographs a dance for the moms to perform, but improvises during the performance to upstage everyone else, in this extra from Abby's Dance-a-Thon special. Watch Dance Moms Season 2 Full Episodes and more: http://www.mylifetime.com/shows/dance-moms http://www.facebook.com/lifetime http://twitter.com/lifetimetv Lifetime® is a premier female-focused entertainment destination dedicated to providing viewers with a diverse selection of critically acclaimed and award-winning original movies, scripted dramas, and unscripted programming. A favorite and trusted network for women, we are continually building on our heritage by attracting top Hollywood talent and producing shows that are modern, sexy, exciting, daring, and provocative. Visit us at myLifetime.com for more info.